Size 1-XS: 3" x 5.5"
Holds 10-15 letters or 2 rolled magazines
Size 2-S: 5" x 5.5"
Holds 10-15 letters or 5 rolled magazines
Size 3-M: 5.5" x 11"
Allows large envelopes and magazines to be stacked flat
Size 4-L: 11" x 11"
Holds 2 shoeboxes and still has room for 10-15 letters
Size 5-XL: 12" x 22.5"
Big enough for multiple Flat Rate Boxes and parcels
The depth of most PO Boxes is 14.75".
All sizes not available in all locations.
We offer extra services for your convenience.
Your PO Box comes with a real street address so you can receive packages from any shipper.
Signature on File service means you don't have to go to the retail counter to pick up certain signature and insured items. (Priority Mail Express®, Signature Confirmation™, and Insured Mail greater than $500)
"Baker's Dozen" promotion provides one month of free service when you pay for 12 months.
No key deposit required for the first two keys for a new PO Box.